linux-kernel - [PATCH] selinux: constify nf_hook

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Date:   Sat, 26 Aug 2017 16:17:35 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     selinux@...ho.nsa.gov, serge@...lyn.com, james.l.morris@...cle.com,
        eparis@...isplace.org, sds@...ho.nsa.gov, paul@...l-moore.com
Cc:     linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: [PATCH] selinux: constify nf_hook_ops

nf_hook_ops are not supposed to change at runtime. nf_register_net_hooks
and nf_unregister_net_hooks are working with const nf_hook_ops.
So mark the non-const nf_hook_ops structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 security/selinux/hooks.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 33fd061..2f2e133 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -6530,7 +6530,7 @@ security_initcall(selinux_init);
 
 #if defined(CONFIG_NETFILTER)
 
-static struct nf_hook_ops selinux_nf_ops[] = {
+static const struct nf_hook_ops selinux_nf_ops[] = {
 	{
 		.hook =		selinux_ipv4_postroute,
 		.pf =		NFPROTO_IPV4,
-- 
2.7.4